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The Offshore Frontier

Interior proposes region-wide oil and gas lease sale 253 for Gulf of Mexico

In support of President Donald Trump’s America-First Offshore Energy Strategy, Joe Balash, Interior’s Assistant Secretary for Land and Minerals Management, and Walter Cruickshank, Bureau of Ocean Energy Management (BOEM) Acting Director, have announced that BOEM proposes to offer 78 million acres for a region-wide lease sale scheduled for August 2019...

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North Sea HPHT case study: Monitoring of underreamer function status confirms in-gauge hole

Monitoring system helps Total to improve certainty around underreamed hole diameter By Tom Huggett, National Oilwell Varco; Mohammad Alahmad and Oliver Eatough, Total Underreaming tools are frequently needed in challenging applications, such as to facilitate running expandable liners, but underreaming operations can frequently leave uncertainty on final hole diameter. National Oilwell Varco (NOV) developed the IQ underreamer monitoring system to remove this uncertainty by monitoring cutter block position, wear and vibration, data that could be used in post-run drilling analyses as part of an optimization plan for future wells. The system also records downhole drilling dynamics at the underreamer, which means the system can determine, via memory data, the actual underreamer expansion size at any point during the run, allowing ...

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Modest signs indicate a comeback may be in the offing for Brazil

Industry remains in survival mode, but regulatory reforms and technical innovations are setting the stage for transition toward a brighter future By Jessica Whiteside, Contributor On paper, things look grim in Brazil’s offshore drilling market. Last year’s low rig activity has drifted into 2019, reflecting the slowdown that’s plagued the sector since oil prices tanked and a corruption crisis humbled national oil giant Petrobras. However, industry observers see modest signs the sector is heading for a comeback in the long term, thanks to the country’s ongoing efforts to expand exploration and production opportunities in the pre-salt and beyond. But, first, there will be continuing pain for drilling contractors before the gap closes between the time operators begin assessing their newly ...

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